Off the top of my head... (Stuff I enjoy/ed watching)
Ongoing
Bakuretsu Tenshi (Action, Mecha)
Kono Minikuku Mo Utsukushii Sekai (Comedy, Ecchi, Romance, SciFi, Shoujo, Shounen)
Midori No Hibi (Comedy, Ecchi, School)
Naruto (Action, Adventure, Comedy, Magic, Martial Arts, Shounen, Super...